ASPprep 5.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This tool was originally created by Datachem Software, Inc. The most popular versions of the tool are 5.0 and 1.0. We recommend checking the downloaded files with any free antivirus. The program's installer is commonly called asp.exe. ASPprep lies within Education Tools, more precisely Teaching Tools.
From the developer:
ASPprep is a software that allows you to improve your knowledge with more than 1600 Questions, Answers and Explanations.Complete and detailed explanations are provided for each question so you know exactly why something is correct or incorrect, you can select questions containing key words or search ALL subjects for a specific topic/question and much more
You may want to check out more software, such as TooFast, Declan's Indonesian FlashCards or Sybex CCNA Virtual Lab, which might be similar to ASPprep.